/Engine/Plugins/Runtime/XRBase/Source/XRBase/Public/HeadMountedDisplayFunctionLibrary.h
Get the openXR interaction profile name for the given controller. Returns true if the openxr call is successfully made. The string may be empty if there is no interaction profile associated with the controller.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Input|XRTracking|OpenXR") static bool GetCurrentInteractionProfile ( const EControllerHand Hand, [FString](API\Runtime\Core\Containers\FString) & InteractionProfile )